Backup alarm design



FIG. 1 is a perspective view of an audible alarm grill showing my newdesign;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a back view thereof;

FIG. 6 is a side view thereof; and,

FIG. 7 is a bottom view thereof.

The ornamental design for the backup alarm design, as shown anddescribed.